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The Spectre 4-inch EPDM/TPE flex coupler is a universal connector for air intake tube runs, offered in multiple inside diameters to help builders join sections cleanly. Its flexible construction accommodates routing choices and simplifies assembly of custom intake systems. These couplers are not recommended for turbocharged or supercharged engines, so they’re intended for naturally aspirated setups and non-pressurized intake connections.
Spectre Flex Coupler 4in. - Black
